![Progressive Cenozoic cooling and the demise of Antarctica's last refugium]()
Progressive Cenozoic cooling and the demise of Antarctica's last refugiumJohn B. Anderson, Sophie Warny, Rosemary A. Askin, Julia S. Wellner, Steven M. Bohaty, Alexandra E. Kirshner, Daniel N. Livsey, Alexander R. Simms, Tyler R. Smith, Werner Ehrmann, Lawrence A. Lawver, David Barbeau, Sherwood W. Wise, Denise K. Kulhenek, Fred M. Weaver and Wojciech Majewski · Proceedings of the National Academy of Sciences of the United States of America · 2011